Vilous(ビロウスbirousu) is a name of fictional sun, also a name of science-fantasy world setting and universe created by the two artists Mick Ono and Kiki. In the Old Age canon, "Vilous" is the name of the main planet. However, in the New Age canon lore, "Vilous" is the name for the main system's Star; the name of the main planet where creatures live is now called "Planet Tal".

The primary species in Vilous are divided into two broad groups: Eltus and Talyxians. The most well-known species from the Vilous universe, Sergals, belongs to the Eltus race group. An general outlook upon the scene and biology of Vilous's system shows Tal is considerably different from Earth. Strange plants without chlorophyll occupy most of the planet Tal, demonstrating its unusual characteristics in more reddish and purples tones. There are animals on Tal that are peculiarly different as well from Earth's animals, although they may share the same name, these are not at all similar to the original namesakes, save by some trait or attribute.

Important note: In New Age, there is a possibility the name of planet Tal will change to "planet Vilous". This would mean that Vilous returns to a planet similar to the Old Age and Tal would become extinct. But that hasn't been decided yet.